/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.openformula.ui;

import org.pentaho.openformula.ui.model2.FormulaDocument;
import org.pentaho.openformula.ui.model2.FormulaElement;
import org.pentaho.openformula.ui.model2.FunctionInformation;

public class FormulaEditorModel {
  private FormulaDocument document;
  private int caretPosition;

  public FormulaEditorModel() {
    document = new FormulaDocument();
    caretPosition = 0;
  }

  public int getLength() {
    return document.getLength();
  }

  public FunctionInformation getCurrentFunction() {
    return document.getFunctionForPosition( caretPosition );
  }

  public String getFormulaText() {
    return document.getText();
  }

  public void setFormulaText( final String text ) {
    document.setText( text );
  }

  public int getCaretPosition() {
    return caretPosition;
  }

  public void setCaretPosition( final int carretPosition ) {
    this.caretPosition = carretPosition;
  }

  public FormulaElement getFormulaElementAt( final int index ) {
    return document.getElementAtPosition( index );
  }

  public void revalidateStructure() {
    document.revalidateStructure();
  }
}